July in Navi Mumbai is the rainiest, the windiest, the cloudiest, and the coldest month of the year. In July, the weather in Navi Mumbai is typically warm. Average daily high temperature in July is about 27 degrees above zero. On average, Navi Mumbai has 31 rainy days in July. The rains are usually heavy. July as well as June, August, and September is considered the most uncomfortable time to visit Navi Mumbai.